CT SIM+™ with RapidSIM™

Moveable Lasers for PET/CT Simulation

The CT SIM+™ moveable laser system is designed from the ground up to support your PET/CT Simulation workflow. Unmatched precision and accuracy provide enhanced confidence for patient safety.

Accuracy at the Patient
CT SIM+ offers accuracy at the patient of +/- 0.5 mm. Laser line widths of ≤0.5 mm for all colors, and industry-leading lengths of ≥4 meters at 3 meters, offer precision and flexibility for your workflow.

Automation & Workflow Optimization
Included RapidSIM™ Software allows seamless laser connectivity to the CT simulation package or TPS and is compatible with all major third-party systems. RapidSIM reads coordinates and directs lasers for accurate identification of the patient marking and treatment location.

Meet TG-66 Requirements
CT SIM+ supports testing as required by AAPM Task Group 66.

Get an overview of the system >

Flexible Levels of Software Automation
RapidSIM supports varying levels of automation based upon your needs:

  • IsoDRIVE™ mode retrieves TPS coordinates and automatically moves the lasers into position. The IsoLOCK™ feature provides visual confirmation the lasers are at the requested position within 0.5 mm.
  • DICOM mode allows single point selection, driven by the user.
  • Manual mode allows the user to manually enter coordinate information.

Learn more about IsoDRIVE >




“We have specifically matched our PET CT with the treatment table, so we can scan and do patient setup the same way for treatment. Building on the advantages of that setup, a good laser system like the CT SIM+ supports our workflow productivity efforts so it is easier for us to perform the markings we need throughout image fusion, marking the isocenter, helping inform the physician on which treatment modality to use, and importantly throughout the treatment course.”


  • Stephen Wang, Ph.D.

  • Chief Assistant Professor – Radiation Oncology UPMC Hillman Cancer Center




Laser Output

Power (mW)



Up to 6 m

Line Width

≤0.5 mm for all colors @ 4 m

Line Length

≥4 m @ 3 m

Available Colors

Wavelength 635 nm Red

Wavelength 515 nm Green

Wavelength 450 nm Blue


Length of Travel

70 cm

Mechanical Resolution

0.02 mm

Projected Laser Accuracy at the Patient

±0.5 mm at 3.0 m





Length (cm)




Width (cm)




Depth (cm)




Power Requirements


110/240 VAC (auto-select)

Wireless Connectivity


802.11 b/g/n


Certified to: IEC 60601 (Safety); IEC 60825-1 (Laser). 510(k) clearance (K152303). Gammex is an ISO13485 certified medical device manufacturer.

Complies with Center for Devices and Radiological Health regulations 21 CFR 1040 for Class II lasers and all CE requirements

TechFlow ​

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